146 2c031984-9669-4120-92ca-7a95769156ce Omega Jack McDevitt calibre (3.32.0) [https://calibre-ebook.com] 2004-10-26T04:00:00+00:00 <div><p>A civilization-destroying omega cloud has switched direction, heading straight for a previously unexplored planetary system--and its alien society. And suddenly, a handful of brave humans must try to save an entire world--without revealing their existence.</p> <p>**</p></div> Ace 9780441012107 0441012108 mwmPlmD7L7cC eng Fiction Science Fiction Action & Adventure Hard Science Fiction Alien Contact